def view_statistics(request):
""" View responsable for initially loading the statistics page """
# Get the proper queryset and generate the form
querysets = get_queryset(request.user)
form = statistics_request_form(
querysets['organizations'],
querysets['sessions']
)
downloads = statistics_download_form(
querysets['organizations'],
querysets['sessions'],
auto_id='id_downloads_%s'
)
return render(request, 'statistics/statistics.html', {
'form': form,
'downloads': downloads,
'statistics_active': True,
})
def load_data(request):
""" Returns a JSON respons containing statistics data """
# Deny non GET requests
if (request.method != 'GET'):
return JsonResponse([METHOD_NOT_ALLOWED_MESSAGE], status=METHOD_NOT_ALLOWED, safe=False)
# Get the querysets accessable by the user
querysets = get_queryset(request.user)
# Build the submitted form from request data
form = statistics_request_form(
querysets['organizations'],
querysets['sessions'],
request.GET
)
# Validate the form
if (not form.is_valid()):
return JsonResponse([INVALID_DATA_SELECTION], status=FORBIDDEN, safe=False)
try:
# Validate sessions
sessions = validate_sessions(
form.cleaned_data['organization'],
form.cleaned_data['session'],
request.user
)
# Generate and format the data
data = generate_data_from_sessions(sessions, request.user)
data = format_graph_data(data)
# Return the JSON encoded response
return JsonResponse(data, safe=False)
except LookupError as e:
return JsonResponse([str(e)], status=BAD_REQUEST, safe=False)
